+
00012
+
SE
*
BOOSTER
*
* *
+ +
+
+
+ + +
+ +
+
+
+
+
+ + + +
TE
t666
P
ORT
1991
TE0
199
+
+ + +
+
+
+ + ++ + +
tot
07
97891111111
116
119
2009
+ + + + + + +
+
+ + + +
+
+

191111111
EET
10000
TORT
10
SETE

19
66 BOSCH
ES
+ ++
***.99 11111111
TETETT
+
+
+
1306
1
11111111
ETTER
1971
1
9891972
1191111111111
TREET
191
TTT
191RTTITAIT
RRETT 11111111111111
2009
111
ET

191111111
H
EHEHEHEHEHE
TRIOT
TET
F
TETETT
11FT

x + y = 1
Jy +x= 2
++
SEE
EESTI
SES
ESTED
ULTET
T
1
NEET
+
RE
TO
P
4
TET
TE
DET

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?